阅读说明：本技术 一种除臭设备中用于喷淋雾化的待弯制管件的弯制方法 (Bending method of to-be-bent pipe fitting for spraying atomization in deodorization equipment ) 是由 邱屹 俞觊觎 王振 伊光波 杨洁 周浩然 王立国 于 2020-12-15 设计创作，主要内容包括：本发明公开了一种除臭设备中用于喷淋雾化的待弯制管件的弯制方法,包括如下步骤：步骤一,将定位支架固定于台虎钳上；步骤二,将待弯制管件的前端穿过折管孔,使待弯制管件的待弯折处位于折管孔处；步骤三,将移动螺杆插入待弯制管件内孔,调节所述收紧螺母使支撑球位于折管孔处；步骤四,右手通过加力杆施力使定动轮固定转动臂绕第一定位轴向外侧转动,左手通过旋转收紧螺母使支撑球始终位于弯制管件的受力部位；步骤五,将待弯制管件弯折到需要的角度后。使用本发明的除臭设备中用于喷淋雾化的待弯制管件的弯制方法,能确保弯管部分不扁、不皱、不破裂,外观圆滑,非常适合产品试制、小批量生产,手工操作简易,投入小,见效快。(The invention discloses a bending method of a to-be-bent pipe fitting for spray atomization in deodorization equipment, which comprises the following steps of: step one, fixing a positioning support on a bench vice; secondly, the front end of the pipe fitting to be bent penetrates through the pipe bending hole, so that the part to be bent of the pipe fitting to be bent is positioned at the pipe bending hole; inserting the movable screw rod into an inner hole of the pipe fitting to be bent, and adjusting the tightening nut to enable the support ball to be located at the pipe folding hole; fourthly, the right hand applies force through a force application rod to enable the fixed moving wheel fixed rotating arm to rotate outwards around the first positioning shaft, and the left hand enables the supporting ball to be always located at the stressed position of the bent pipe fitting through rotating a tightening nut; and step five, bending the pipe fitting to be bent to a required angle. The bending method of the pipe fitting to be bent for spraying atomization in the deodorization equipment can ensure that the bent pipe part is not flat, wrinkled or cracked and has smooth appearance, is very suitable for trial production and small-batch production of products, and has the advantages of simple manual operation, small investment and quick response.)

1. A bending method of a pipe to be bent for spraying atomization in deodorization equipment comprises the following steps:

the method comprises the following steps: be fixed in on the bench vice with locating support (1), locating support (1) includes a flat board (1-1) at least, and the front portion of flat board (1-1) is equipped with the fastening components who is used for the fixed pipe fitting (2) of waiting to bend, and first locating shaft (3) are worn to establish in first curved circular arc center locating hole (1-2) at flat board (1-1) rear portion fixed movable arm (4) of deciding the driving wheel that is used for buckling pipe fitting (2) of waiting to bend are installed on first locating shaft (3) be equipped with fixed pulley (5) and movable pulley (7) side by side on the fixed driving wheel fixed movable arm (4), install fixed pulley (5) on first locating shaft (3), movable pulley (7) are installed on locating second locating shaft (6) on fixed driving wheel fixed movable arm (4), the periphery of fixed pulley (5) and movable pulley (7) all be equipped with wait to bend the outer wall of pipe fitting (2) be adapted recess (8) arc recess (8) ) A pipe folding hole (8-1) formed by a circular arc groove (8) between the fixed pulley (5) and the movable pulley (7);

step two: rotating a forcing rod (18) of a fixed moving wheel fixed rotating arm (4) to the inner side around a first positioning shaft (3), taking the pipe fitting (2) to be bent, enabling the front end of the pipe fitting (2) to be bent to penetrate through a pipe bending hole (8-1), and fastening the front end of the pipe fitting (2) to be bent on a fastening assembly to enable the pipe fitting (2) to be bent to be located at the pipe bending hole (8-1);

step three: inserting a movable screw rod (15) into an inner hole of the pipe fitting (2) to be bent, wherein a support ball (16) is arranged at the front end of the movable screw rod (15), a gap is formed between the spherical surface of the support ball (16) and the inner wall of the pipe fitting (2) to be bent, a thread is arranged at the rear end of the movable screw rod (15), the tail end of the thread is exposed out of the rear end of the pipe fitting (2) to be bent, a tightening nut (17) is arranged on the thread at the tail end, and the tightening nut (17) is adjusted to enable the support ball (16) to be located at a pipe bending hole (8-1);

step four: the right hand applies force through a force applying rod (18), so that the fixed movable wheel fixed rotating arm (4) rotates outwards around the first positioning shaft (3), the movable pulley (7) rotating around the first positioning shaft (3) bends the pipe piece to be bent (2) towards the fixed pulley (5), meanwhile, the left hand rotates to tighten the nut (17) to move the support ball (16) towards the rear end, and the moving distance of the support ball (16) towards the rear end is matched with the bending angle of the fixed movable wheel fixed rotating arm (4), so that the support ball (16) is always positioned at the stressed part of the movable pulley (7) and the fixed pulley (5) for bending the pipe piece to be bent (2);

step five: and after the pipe fitting (2) to be bent is bent to a required angle, the movable screw (15) is pulled out, and the fastening assembly is loosened to obtain the bent pipe fitting.

2. The bending method for spraying atomized pipe pieces to be bent in a deodorization apparatus according to claim 1, wherein the fastening assembly comprises: the pipe fitting bending device comprises a base (9) fixed on a flat plate (1-1) and a movable gland (10) hinged on the base (9), wherein arc-shaped grooves matched with the outer wall of the pipe fitting to be bent (2) are formed in the middle parts of the base (9) and the movable gland (10) correspondingly, and the base (9) and the movable gland (10) are fastened through a compression bolt assembly (11).

3. The bending method for spraying atomized pipe pieces to be bent in a deodorization apparatus according to claim 2, wherein the fastening assembly comprises: the pipe joint (12) is fixedly connected to the front end of the pipe fitting (2) to be bent, the front positioning pin (13) is arranged on the front positioning pin hole (1-3) of the flat plate (1-1), and the through hole (14) of the pipe joint (12) is positioned on the front positioning pin (13).

4. The method for bending a pipe to be bent for spray atomization in a deodorization device according to claim 3, wherein: the inner side of the front end of the flat plate (1-1) is provided with a vertical plate (1-4) extending downwards, a vertical plate fastening component used for positioning a pipe fitting (2) to be bent is arranged on the vertical plate (1-4), a flat plate extending part (1-5) extending inwards is arranged on the inner side of the rear end of the flat plate (1-1), and a second bent arc center positioning hole (1-6) with the same size as the first bent arc center positioning hole (1-2) is formed in the flat plate extending part (1-5).

Technical Field

The invention relates to deodorization equipment, in particular to a bending method of a to-be-bent pipe fitting for spray atomization in the deodorization equipment.

Background

In the deodorization equipment, a large number of small-diameter thin-walled pipes for spraying and atomizing are needed, the small-diameter thin-walled pipes are laid in the deodorization equipment according to the requirement of the internal structure and sometimes even need to pass through a cavity, and the small-diameter thin-walled pipes need to be bent to be matched with the internal structure of the deodorization equipment.

The bending of the small-diameter thin-walled tube has an insurmountable technical problem: either the pipe wall at the bending part can be wrinkled due to extrusion during bending, or the round inner hole at the bending part can be flattened due to extrusion during bending, so that the fluid resistance in the pipe is greatly increased, and the problem that the bending angle is smaller is more serious. .

In order to reduce the defects of the small-diameter thin-walled tube at the bending position, the common means at present are as follows: filling fine sand into a to-be-bent pipe fitting to be bent, plugging two ends of the to-be-bent pipe fitting, plugging the fine sand in the to-be-bent pipe fitting, bending the to-be-bent pipe fitting, removing plugs at two ends of the to-be-bent pipe fitting, and pouring out the fine sand. As the pipe fitting to be bent is filled with fine sand, the folding and flattening of the pipe wall at the bent part are better, but the bent part is still flattened and folded, even the bent part is broken, and the quality is difficult to control.

Disclosure of Invention

The invention aims to provide a bending method of a to-be-bent pipe fitting for spraying atomization in deodorization equipment, which can ensure that a bent pipe part is not flat, wrinkled or cracked, has smooth appearance, is very suitable for trial production and small-batch production of products, and has the advantages of simple manual operation, small investment and quick response.

In order to achieve the purpose, the invention adopts the following technical scheme:

a bending method of a pipe to be bent for spraying atomization in deodorization equipment comprises the following steps:

the method comprises the following steps: fixing a positioning support on a bench vice, wherein the positioning support at least comprises a flat plate, the front part of the flat plate is provided with a fastening assembly for fixing a pipe fitting to be bent, a first bent arc center positioning hole at the rear part of the flat plate penetrates through a first positioning shaft, a fixed moving wheel fixing and rotating arm for bending the pipe fitting to be bent is arranged on the first positioning shaft, a fixed pulley and a movable pulley are arranged on the fixed moving wheel fixing and rotating arm side by side, the fixed pulley is arranged on the first positioning shaft, the movable pulley is arranged on a second positioning shaft arranged on the fixed moving wheel fixing and rotating arm, the peripheries of the fixed pulley and the movable pulley are respectively provided with an arc-shaped groove matched with the outer wall of the pipe fitting to be bent, and a pipe bending hole formed by the arc-shaped grooves between the fixed pulley and the movable pulley;

step two: rotating a forcing rod of a fixed moving wheel fixed rotating arm to the inner side around a first positioning shaft, taking the pipe fitting to be bent, enabling the front end of the pipe fitting to be bent to penetrate through a pipe bending hole, and fastening the front end of the pipe fitting to be bent on a fastening assembly to enable the pipe fitting to be bent to be located at the pipe bending hole;

step three: inserting a movable screw rod into an inner hole of the pipe fitting to be bent, wherein a support ball is arranged at the front end of the movable screw rod, a gap is formed between the spherical surface of the support ball and the inner wall of the pipe fitting to be bent, a thread is arranged at the rear end of the movable screw rod, the tail end of the thread is exposed out of the rear end of the pipe fitting to be bent, a tightening nut is arranged on the thread at the tail end, and the tightening nut is adjusted to enable the support ball to be located at the pipe folding hole;

step four: the right hand applies force through a force application rod to enable the fixed movable wheel fixed rotating arm to rotate outwards around the first positioning shaft, the movable pulley rotating around the first positioning shaft bends the pipe to be bent towards the fixed pulley, meanwhile, the left hand rotates to tighten the nut through rotation to enable the supporting ball to move towards the rear end, the moving distance of the supporting ball towards the rear end is matched with the bending angle of the fixed movable wheel fixed rotating arm, and therefore the supporting ball is always located at the stress position where the movable pulley and the fixed pulley bend the pipe to be bent;

step five: and after the pipe fitting to be bent is bent to a required angle, the movable screw rod is pulled out, and the fastening assembly is loosened to obtain the bent pipe fitting.

The fastening assembly includes: the base is fixed on the flat plate, the movable gland is hinged on the base, arc-shaped grooves matched with the outer wall of the pipe fitting to be bent are formed in the middle parts of the base and the movable gland, and the base and the movable gland are fastened through the compression bolt assembly.

The fastening assembly includes: the pipe joint is fixedly connected to the front end part of the pipe fitting to be bent, the front positioning pin is arranged on the front positioning pin hole of the flat plate, and the through hole of the pipe joint is positioned on the front positioning pin.

Dull and stereotyped front end inboard is equipped with downwardly extending's riser, be equipped with the riser fastening component who is used for the location to wait to bend the system pipe fitting on the riser, dull and stereotyped rear end inboard is equipped with the dull and stereotyped extension that extends inwards be equipped with on the dull and stereotyped extension with first curved circular arc center locating hole unidimensional second curved circular arc center locating hole.

Compared with the prior art, the invention has the beneficial effects that: the fixed pulley and the movable pulley are used for rolling and bending the pipe fitting to be bent by utilizing the circular arc grooves matched with the outer wall of the pipe fitting to be bent on the outer periphery, the pipe bending hole formed by the circular arc grooves on the outer periphery is limited at the bending stress position of the pipe fitting to be bent, and the supporting ball is arranged in the pipe bending stress position, so that the pipe bending part can be ensured not to be flat, not wrinkled and not broken, has smooth appearance, is very suitable for trial production of products and small-batch production, and is simple in manual operation, small in investment and quick in effectiveness.

The further beneficial effects are that: dull and stereotyped front end inboard is equipped with downwardly extending's riser, be equipped with the riser fastening components who is used for the location to wait to bend the system pipe fitting on the riser, dull and stereotyped rear end inboard is equipped with the dull and stereotyped extension that extends inwards be equipped with on the dull and stereotyped extension with first curved circular arc center locating hole unidimensional second curved circular arc center locating hole, this kind of structure, through the front end that will buckle the pipe fitting fixed at riser fastening components, will first locating shaft is installed in second curved circular arc center locating hole, can buckle again the pipe fitting that has buckled, will wait to bend the system pipe fitting and buckle into three-dimensional return bend (see fig. 5 and 6).

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the pipe to be bent shown in FIG. 1 bent by 90 degrees;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of a pipe being bent;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is an enlarged view of the fixed and movable sheave mounting structure of FIG. 2;

FIG. 8 is a schematic view of another alternative fastening assembly for securing a pipe to be bent;

FIG. 9 is a view from the A-A direction of FIG. 8;

FIG. 10 is a schematic view of a pipe to be bent;

FIG. 11 is a schematic view of the positioning bracket of FIG. 1;

FIG. 12 is a top view of FIG. 11;

fig. 13 is a schematic view of the structure of the support ball and the moving screw of fig. 1.

The names of the components represented by the reference numbers in the figure are as follows:

1. the pipe fitting bending device comprises a positioning support 1-1, a flat plate 1-2, a first arc center positioning hole 1-3, a front positioning pin hole 1-4, a vertical plate 1-5, a flat plate extending portion 1-6, a second arc center positioning hole 1-7, a vertical plate positioning pin hole 2, a pipe fitting to be bent 3, a first positioning shaft 4, a fixed wheel fixing and rotating arm 5, a fixed pulley 6, a second positioning shaft 7, a movable pulley 8, an arc groove 8, an 8-1 pipe folding hole 9, a base 10, a movable gland 11, a compression bolt assembly 12, a pipe joint 13, a front positioning pin 14, a through hole 15, a movable screw rod 16, a supporting ball 17, a tightening nut 18 and a force applying rod.

Detailed Description

In order to make the technical solution of the present invention clearer, the present invention will be described in detail with reference to fig. 1 to 13. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

The invention relates to a bending method of a pipe to be bent for spray atomization in deodorization equipment, which comprises the following steps:

the method comprises the following steps: fixing a positioning support 1 on a bench vice, wherein the positioning support 1 at least comprises a flat plate 1-1, the front part of the flat plate 1-1 is provided with a fastening component for fixing a pipe fitting 2 to be bent, a first arc center positioning hole 1-2 at the rear part of the flat plate 1-1 penetrates through a first positioning shaft 3, a fixed wheel fixing and rotating arm 4 for bending the pipe fitting 2 to be bent is arranged on the first positioning shaft 3, a fixed pulley 5 and a movable pulley 7 are arranged on the fixed wheel fixing and rotating arm 4 side by side, the fixed pulley 5 is arranged on the first positioning shaft 3, the fixed pulley 5 does not move along with the rotation of the fixed wheel fixing and rotating arm 4, the movable pulley 7 is arranged on a second positioning shaft 6 arranged on the fixed wheel fixing and rotating arm 4, the movable pulley 7 rotates along with the fixed wheel fixing and rotating arm 4 around the center of the fixed pulley, the peripheries of the fixed pulley 5 and the movable pulley 7 are both provided with arc grooves 8 matched with the outer wall of the pipe fitting 2 to be bent, a pipe folding hole 8-1 formed by an arc-shaped groove 8 between the fixed pulley 5 and the movable pulley 7;

step two: rotating a forcing rod 18 of a fixed moving wheel fixed rotating arm 4 to the inner side around a first positioning shaft 3, taking the pipe 2 to be bent, enabling the front end of the pipe 2 to be bent to penetrate through a pipe bending hole 8-1, and fastening the front end of the pipe 2 to be bent on a fastening assembly, so that the part, to be bent, of the pipe 2 to be bent is located at the pipe bending hole 8-1;

step three: inserting a movable screw 15 into an inner hole of the pipe fitting 2 to be bent, wherein a support ball 16 is arranged at the front end of the movable screw 15, a gap is formed between the spherical surface of the support ball 16 and the inner wall of the pipe fitting 2 to be bent, a thread is arranged at the rear end of the movable screw 15, the tail end of the thread is exposed out of the rear end of the pipe fitting 2 to be bent, a tightening nut 17 is arranged on the thread at the tail end, and the tightening nut 17 is adjusted to enable the support ball 16 to be located at the pipe bending hole 8-1;

step four: the right hand applies force through a force applying rod 18 to enable a fixed driving wheel fixing and rotating arm 4 to rotate outwards around a first positioning shaft 3, a movable pulley 7 rotating around the first positioning shaft 3 bends the pipe piece 2 to be bent towards a fixed pulley 5, meanwhile, the left hand enables a supporting ball 16 to move towards the rear end through rotating a tightening nut 17, the moving distance of the supporting ball 16 towards the rear end is matched with the bending angle of the fixed driving wheel fixing and rotating arm 4, and the supporting ball 16 is always located at the stressed position where the movable pulley 7 and the fixed pulley 5 bend the pipe piece 2 to be bent;

step five: and after the pipe fitting 2 to be bent is bent to a required angle, the movable screw 15 is pulled out, and the fastening assembly is loosened to obtain the bent pipe fitting.

Preferably, the fastening assembly comprises: the pipe bending machine comprises a base 9 fixed on a flat plate 1-1 and a movable gland 10 hinged on the base 9, wherein arc-shaped grooves matched with the outer wall of the pipe 2 to be bent are formed in the middle parts of the base 9 and the movable gland 10, and the base 9 and the movable gland 10 are fastened through a compression bolt assembly 11. The fastening assembly includes: the pipe joint 12 is fixedly connected to the front end part of the pipe fitting 2 to be bent, the front positioning pin 13 is arranged on the front positioning pin hole 1-3 of the flat plate 1-1, and the through hole 14 of the pipe joint 12 is positioned on the front positioning pin 13.

Preferably, the inner side of the front end of the flat plate 1-1 is provided with a vertical plate 1-4 extending downwards, the vertical plate 1-4 is provided with a vertical plate fastening component used for positioning a pipe fitting 2 to be bent, the inner side of the rear end of the flat plate 1-1 is provided with a flat plate extending part 1-5 extending inwards, and the flat plate extending part 1-5 is provided with a second curved arc center positioning hole 1-6 with the same size as the first curved arc center positioning hole 1-2. In the structure, the front end of the bent pipe is fixed on the vertical plate fastening component, for example, the vertical plate 1-4 is provided with the vertical plate positioning pin hole 1-7, the front positioning pin 13 is arranged in the vertical plate positioning pin hole 1-7 for positioning the pipe joint 12, and the first positioning shaft is arranged in the second arc-shaped central positioning hole, so that the bent pipe can be bent again, and the pipe to be bent is bent into a three-dimensional bent pipe (see the attached figures 5 and 6).

After the pipe bending operation is finished, the size and the angle of the bent pipe fitting 2 to be bent, namely the pipe fitting, can be detected by using a straight ruler, an angle square or a universal angle square, the pipe fitting can be fixed by using a bench drill table for correction, and the pipe fitting can also be sleeved into a straight pipe part of the pipe fitting by using a sleeve for manually correcting the size or the angle by using force bending.

The left hand and the right hand are cooperated when the pipe is bent, and the pipe bending speed and the right rotating speed of the tightening nut 17 are controlled. When the left-handed right-handed tightening nut 17 is heavy, the front end of the pipe to be bent in front of the stress part of the bent pipe of the support ball 16 is front, and the speed of the right-handed tightening nut 17 is increased; if the hand feeling of the right-hand tightening nut 17 is light, the speed of the right-hand tightening nut 17 needs to be slower, and the speed of the right-hand pipe bending can be faster. The distance from the rear end of the pipe 2 to be bent to the pipe bending hole 8-1 can be measured by the ruler, the depth of the support ball 16 inserted into the inner hole of the pipe 2 to be bent for the first time can be determined according to the distance, and for inexperienced operators, the distance from the rear end of the pipe 2 to be bent to the pipe bending hole 8-1 can be measured by the ruler in the bending process, and the position of the support ball 16 can be adjusted.

According to the pipe fittings 2 to be bent with different sizes and angles, the sizes of all parts of the pipe bending device such as the positioning bracket 1, the fastening component, the movable pulley 7, the fixed pulley 5, the movable screw 15, the supporting ball 16 and the like can be adjusted.

The pipe is suitable for seamless steel pipes and copper pipes with the pipe diameter of 10-15mm, the pipe wall thickness is 0.5-1mm, the pipe diameter of the bent pipe R is 1.2-2.0 times, and the angle of the bent pipe can reach 80-90 degrees. And determining the fit tolerance inside and outside the pipe fitting 2 to be bent by utilizing the change clearance of the elastic range of the steel pipe. The quality of the bent pipe can ensure that the bent pipe part is not flat, wrinkled and cracked, the appearance is smooth, and the positioning size and the angle correction are convenient to control. The method is suitable for trial production and small-batch production of products, and has the advantages of simple manual operation, small investment and quick response.

Specific examples are as follows: the copper tube with the outer diameter of 14mm and the wall thickness of 1mm is bent at the bending radius of 20mm and the angle of 85 degrees, the diameter of the movable screw 15 can be 10mm, the diameter of the supporting ball 16 can be 11.8mm, the outer circle radius of the movable pulley 7 is 20mm, the radius of the circular arc groove is 14.1mm, and the fixed pulley 5 is the same as the movable pulley 7 in size. The above dimensions allow for a suitable tolerance, for example ± 0.01 mm.